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Numbers

Numbers are our way to quantify, label, and organize the world around us in a logical manner. However, the systems used to obtain this goal differ geographically, historically, and by relative utility. All questions pertaining to numbers, including historic labeling systems, bases of numerical systems, constants, and the various ways they're grouped together, should be placed into this category.

46,867 Questions

What is 23 percent as a fraction with working out?

Simply 23/100

The cent word means 100

so answer is 23/100

which cannot be reduced as 23 does not go into 100 directly

How do you write 415394?

four hundred and fifteen thousand, three hundred and ninety-four

Is -41 rational?

All integers and ratios between two integers are rational numbers. They are defined as p/q where p and q are integers and q is not 0. Therefore -41 is a rational number (and a negative integer as well).

How write 3 267 417 in number word form?

Three million, two hundred sixty-seven thousand, four-hundred seventeen.

What is the greatest recorded number?

There isn't a greatest recorded number. There is no number so high that someone else can't add one to it.

How do you find the square root of a negative number ie sqrt of -0.6?

ok guys, i am now doing math at BCC College in NY and I love problems like these.

the sq. root of -0.6 = sq. root of +0.6 times i [ i here is an "imaginary number" ], so your final answer is equal to 0.6i [ some text books replace the letter i with j ]

note: i =-1 , so if you want an approx. answer to the problem[ i was advised to leave it at √0.6 i ], the find the √0.6 and times the answer to i which is 0.77 i.

Final Answer= √0.6i or 0.77i

What are the prime number 1-100?

2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97.

What is the only prime number that is a factor of the number 16?

prime factor = prime number which can be divided into the given number with no remainder ie 2

What is the prime factorization of the number 217?

217 = 7x31 and both of those are primes for that is its prime factorization!

Dr. Chuck

Why is a fraction's denominator a whole number?

A fraction represents a physical counting division into subsets (smaller parts). These parts must nominally be the same size, or multiples of a minimum size. If you had 5 unequal parts, you could not perform any useful calculations.

For example: the fraction 4/7.5 is a valid division but not a valid fraction, while 8/15 or 40/75 would be valid equivalents.

What is something interesting about the number thirteen?

Thirteen is a prime number. It is also a twin prime of eleven.